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Modern automotive antenna measurements / / edited by Lars J. Foged and Manuel Sierra Castañer
| Modern automotive antenna measurements / / edited by Lars J. Foged and Manuel Sierra Castañer |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Norwood, MA : , : Artech House, , [2022] |
| Descrizione fisica | 1 online resource (281 pages) |
| Disciplina | 050 |
| Soggetto topico | Automobiles - Radio antennas |
| ISBN | 1-63081-850-X |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Modern Automotive Antenna Measurements -- Contents -- Chapter 1 Introduction to Automotive Antenna and Device Measurements -- References -- Chapter 2 Challenges and Figures of Merit in Automotive Measurements -- 2.1 Antenna Measurement -- 2.1.1 Antenna Gain and OTA Measurements -- 2.1.2 Calibration Antenna -- 2.1.3 Testing Parameters -- 2.2 NF versus FF Measurements -- 2.3 Introduction to Near Transformation Theory -- 2.4 Radiofrequency System -- References -- Chapter 3 NFFF Transformations -- 3.1 NF/FF Transformation based on Spherical Wave Expansion -- 3.1.1 SWE -- 3.1.2 Truncated SNF Measurements -- 3.1.3 Advanced SWE Techniques -- 3.2 Equivalent Current Technique -- 3.2.1 Formulation -- 3.2.2 Features -- 3.3 New Methods for NF-to-FF Transformations -- 3.3.1 Sparse Recovery of SWC -- 3.3.2 Optimal Sampling Interpolation -- References -- Chapter 4 Chamber Design and Analysis -- 4.1 Measurement Ranges -- 4.2 Design Criteria -- 4.2.1 Absorbers and Ferrites -- 4.2.2 Rectangular Chambers -- 4.2.3 Tapered Chambers -- 4.2.4 Chambers with Conductive Floors -- 4.3 Analysis Methods -- 4.3.1 Full-Wave Models -- 4.3.2 Ray-Tracer Solvers -- 4.3.3 Image Theory-Based Technique -- 4.3.4 Measurements with the Scaled Model Method -- 4.4 QZ Evaluation with Measurements -- 4.4.1 Field Probe Measurements Over QZ -- 4.4.2 Antenna Pattern Comparison -- References -- Chapter 5 Implementation and Calibration of Automotive Ranges -- 5.1 Absorber and Conductive Floor Systems -- 5.1.1 Gain Calibration -- 5.1.2 Gain Calibration Accuracy -- 5.1.3 Measurement Examples -- 5.2 FF Ranges -- 5.3 Single-Probe NF Systems -- 5.3.1 Use of Wideband Probes -- 5.3.2 Use of Wideband and Dual-Polarized Probes -- 5.4 Multiprobe NF Systems -- 5.4.1 Probe-Related Design Challenges -- 5.4.2 Sampling in MP Systems -- 5.4.3 Different Implementations of Automotive MP Systems.
5.4.4 Low-Frequency Measurements -- 5.4.5 High-Frequency Measurements -- 5.5 Scaled Measurements -- References -- Chapter 6 OTA Measurements -- 6.1 OTA Test Setup -- 6.2 OTA Testing Parameters -- 6.3 OTA System Calibration -- 6.4 OTA Measurement Methods -- 6.4.1 NF to FF Transform Using Phase Recovery -- 6.4.2 Separate Measurements with Conducted RF -- 6.4.3 Two-Step Measurement or Combinational Method -- 6.4.4 Direct OTA Measurements -- 6.4.5 NF to Quasi-FF Transform Through Parallax -- 6.4.6 TRP/TIS Testing of Devices on a Limited Ground Plane -- 6.5 OTA Sampling -- 6.6 OTA Measurement Examples -- 6.7 MIMO OTA Testing -- 6.7.1 Introduction -- 6.7.2 Direct MIMO OTA Testing -- 6.7.3 Two-Stage Methods -- References -- Chapter 7 Advanced Post-Processing Techniques -- 7.1 Post-Processing by the Equivalent Current Method -- 7.1.1 Diagnostics and Filtering -- 7.1.2 Extrapolation of Truncated Areas -- 7.1.3 NF Calculation from the Equivalent Current -- 7.1.4 Link Between Measurements and Simulations -- 7.2 Investigation and Mitigation of Truncation Errors in Free-Space Automotive Systems -- 7.2.1 Case Study Description and Investigation of Truncation Errors Effect -- 7.2.2 Mitigation of Truncation Errors -- 7.3 Free-Space Response Retrieval in PEC-Based Automotive Systems -- 7.3.1 Spatial Filtering Techniques for PEC Removal -- 7.3.2 Example with Scaled Measurements -- References -- Chapter 8 Virtual Drive Testing -- 8.1 VDT -- 8.2 The Link Between Measurement and Simulation -- 8.3 Simulation of Complex Scenarios from Measurements -- 8.4 Different Ground Emulation of Measured Vehicle Antennas -- 8.5 V2V and V2X Coupling Evaluation -- References -- Chapter 9 In-Situ Acquisition Systems for Automotive Measurements: Drone and Handheld Approaches -- 9.1 Introduction -- 9.2 Airborne-Based Antenna Measurement Techniques. 9.2.1 An Overview of Airborne-Based Antenna Measurement Techniques -- 9.2.2 Antenna Characterization by Means of Equivalent Currents -- 9.2.3 Application Example -- 9.3 Handheld Systems -- 9.3.1 An Overview of the Handheld System -- 9.3.2 Handheld System Description -- 9.3.3 Particular Characteristics of the Handheld System -- 9.3.4 Application Example -- 9.4 Final Remarks -- References -- Chapter 10 Practical Aspects of Automotive Measurements and Virtual-Drive Testing -- 10.1 Challenges for Automotive Antenna Measurements -- 10.1.1 Limitations of Automotive Antenna Measurement Range -- 10.1.2 Implications of the Car Body for Antenna Design and Measurements in the Installed State -- 10.2 Application-Oriented Post-Processing of Automotive Antenna Measurements -- 10.2.1 Phase Center Determination -- 10.2.2 Automotive Antenna Performance Indicators -- 10.3 Over-the-Air Vehicle-in-the-Loop Approach for System Validation in a Virtual Environment -- 10.3.1 Concept -- 10.3.2 LTE and V2X Emulation -- 10.3.3 Automotive Radar -- References -- About the Editors -- About the Contributors -- Index. |
| Record Nr. | UNINA-9910795724003321 |
| Norwood, MA : , : Artech House, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Modern automotive antenna measurements / / edited by Lars J. Foged and Manuel Sierra Castañer
| Modern automotive antenna measurements / / edited by Lars J. Foged and Manuel Sierra Castañer |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Norwood, MA : , : Artech House, , [2022] |
| Descrizione fisica | 1 online resource (281 pages) |
| Disciplina | 050 |
| Soggetto topico | Automobiles - Radio antennas |
| ISBN | 1-63081-850-X |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Modern Automotive Antenna Measurements -- Contents -- Chapter 1 Introduction to Automotive Antenna and Device Measurements -- References -- Chapter 2 Challenges and Figures of Merit in Automotive Measurements -- 2.1 Antenna Measurement -- 2.1.1 Antenna Gain and OTA Measurements -- 2.1.2 Calibration Antenna -- 2.1.3 Testing Parameters -- 2.2 NF versus FF Measurements -- 2.3 Introduction to Near Transformation Theory -- 2.4 Radiofrequency System -- References -- Chapter 3 NFFF Transformations -- 3.1 NF/FF Transformation based on Spherical Wave Expansion -- 3.1.1 SWE -- 3.1.2 Truncated SNF Measurements -- 3.1.3 Advanced SWE Techniques -- 3.2 Equivalent Current Technique -- 3.2.1 Formulation -- 3.2.2 Features -- 3.3 New Methods for NF-to-FF Transformations -- 3.3.1 Sparse Recovery of SWC -- 3.3.2 Optimal Sampling Interpolation -- References -- Chapter 4 Chamber Design and Analysis -- 4.1 Measurement Ranges -- 4.2 Design Criteria -- 4.2.1 Absorbers and Ferrites -- 4.2.2 Rectangular Chambers -- 4.2.3 Tapered Chambers -- 4.2.4 Chambers with Conductive Floors -- 4.3 Analysis Methods -- 4.3.1 Full-Wave Models -- 4.3.2 Ray-Tracer Solvers -- 4.3.3 Image Theory-Based Technique -- 4.3.4 Measurements with the Scaled Model Method -- 4.4 QZ Evaluation with Measurements -- 4.4.1 Field Probe Measurements Over QZ -- 4.4.2 Antenna Pattern Comparison -- References -- Chapter 5 Implementation and Calibration of Automotive Ranges -- 5.1 Absorber and Conductive Floor Systems -- 5.1.1 Gain Calibration -- 5.1.2 Gain Calibration Accuracy -- 5.1.3 Measurement Examples -- 5.2 FF Ranges -- 5.3 Single-Probe NF Systems -- 5.3.1 Use of Wideband Probes -- 5.3.2 Use of Wideband and Dual-Polarized Probes -- 5.4 Multiprobe NF Systems -- 5.4.1 Probe-Related Design Challenges -- 5.4.2 Sampling in MP Systems -- 5.4.3 Different Implementations of Automotive MP Systems.
5.4.4 Low-Frequency Measurements -- 5.4.5 High-Frequency Measurements -- 5.5 Scaled Measurements -- References -- Chapter 6 OTA Measurements -- 6.1 OTA Test Setup -- 6.2 OTA Testing Parameters -- 6.3 OTA System Calibration -- 6.4 OTA Measurement Methods -- 6.4.1 NF to FF Transform Using Phase Recovery -- 6.4.2 Separate Measurements with Conducted RF -- 6.4.3 Two-Step Measurement or Combinational Method -- 6.4.4 Direct OTA Measurements -- 6.4.5 NF to Quasi-FF Transform Through Parallax -- 6.4.6 TRP/TIS Testing of Devices on a Limited Ground Plane -- 6.5 OTA Sampling -- 6.6 OTA Measurement Examples -- 6.7 MIMO OTA Testing -- 6.7.1 Introduction -- 6.7.2 Direct MIMO OTA Testing -- 6.7.3 Two-Stage Methods -- References -- Chapter 7 Advanced Post-Processing Techniques -- 7.1 Post-Processing by the Equivalent Current Method -- 7.1.1 Diagnostics and Filtering -- 7.1.2 Extrapolation of Truncated Areas -- 7.1.3 NF Calculation from the Equivalent Current -- 7.1.4 Link Between Measurements and Simulations -- 7.2 Investigation and Mitigation of Truncation Errors in Free-Space Automotive Systems -- 7.2.1 Case Study Description and Investigation of Truncation Errors Effect -- 7.2.2 Mitigation of Truncation Errors -- 7.3 Free-Space Response Retrieval in PEC-Based Automotive Systems -- 7.3.1 Spatial Filtering Techniques for PEC Removal -- 7.3.2 Example with Scaled Measurements -- References -- Chapter 8 Virtual Drive Testing -- 8.1 VDT -- 8.2 The Link Between Measurement and Simulation -- 8.3 Simulation of Complex Scenarios from Measurements -- 8.4 Different Ground Emulation of Measured Vehicle Antennas -- 8.5 V2V and V2X Coupling Evaluation -- References -- Chapter 9 In-Situ Acquisition Systems for Automotive Measurements: Drone and Handheld Approaches -- 9.1 Introduction -- 9.2 Airborne-Based Antenna Measurement Techniques. 9.2.1 An Overview of Airborne-Based Antenna Measurement Techniques -- 9.2.2 Antenna Characterization by Means of Equivalent Currents -- 9.2.3 Application Example -- 9.3 Handheld Systems -- 9.3.1 An Overview of the Handheld System -- 9.3.2 Handheld System Description -- 9.3.3 Particular Characteristics of the Handheld System -- 9.3.4 Application Example -- 9.4 Final Remarks -- References -- Chapter 10 Practical Aspects of Automotive Measurements and Virtual-Drive Testing -- 10.1 Challenges for Automotive Antenna Measurements -- 10.1.1 Limitations of Automotive Antenna Measurement Range -- 10.1.2 Implications of the Car Body for Antenna Design and Measurements in the Installed State -- 10.2 Application-Oriented Post-Processing of Automotive Antenna Measurements -- 10.2.1 Phase Center Determination -- 10.2.2 Automotive Antenna Performance Indicators -- 10.3 Over-the-Air Vehicle-in-the-Loop Approach for System Validation in a Virtual Environment -- 10.3.1 Concept -- 10.3.2 LTE and V2X Emulation -- 10.3.3 Automotive Radar -- References -- About the Editors -- About the Contributors -- Index. |
| Record Nr. | UNINA-9910821788603321 |
| Norwood, MA : , : Artech House, , [2022] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
